commit 582abddeee6bd49762d562d3e641a4e290d464be
author Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Dec 18 23:00:28 2012 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Dec 18 23:00:28 2012 +0000
tree b5fa7798acd51d4f2952f00510e50f582910ee2b
parent 270bfbd3d1fb42000b23e5747ac7957b0e9fcab8

Verify bundle flag consistency when setting them.

Now that the bundle flag aware APIs are all in place, it is possible to
continuously verify the flag consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170465 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/MachineInstr.cpp

diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 2d4392c..3b83d02 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -878,6 +878,7 @@
   setFlag(BundledPred);
   MachineBasicBlock::instr_iterator Pred = this;
   --Pred;
+  assert(!Pred->isBundledWithSucc() && "Inconsistent bundle flags");
   Pred->setFlag(BundledSucc);
 }
 
@@ -886,6 +887,7 @@
   setFlag(BundledSucc);
   MachineBasicBlock::instr_iterator Succ = this;
   ++Succ;
+  assert(!Succ->isBundledWithPred() && "Inconsistent bundle flags");
   Succ->setFlag(BundledPred);
 }
 
@@ -894,6 +896,7 @@
   clearFlag(BundledPred);
   MachineBasicBlock::instr_iterator Pred = this;
   --Pred;
+  assert(Pred->isBundledWithSucc() && "Inconsistent bundle flags");
   Pred->clearFlag(BundledSucc);
 }
 
@@ -902,6 +905,7 @@
   clearFlag(BundledSucc);
   MachineBasicBlock::instr_iterator Succ = this;
   --Succ;
+  assert(Succ->isBundledWithPred() && "Inconsistent bundle flags");
   Succ->clearFlag(BundledPred);
 }